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authorDavid Wu <david_wu@quanta.corp-partner.google.com>2021-10-12 13:19:35 +0800
committerTim Wawrzynczak <twawrzynczak@chromium.org>2021-10-19 16:48:19 +0000
commit2d2cc0dcb97c2ba95d223ed77fce8df1d5aed70e (patch)
tree62ff4fd3c152b435b93dfa0eab183128776d916c /src/mainboard/google/brya/variants
parentd0975ff5d5eba13f8be8f8e99daf88d41f04579c (diff)
mb/google/brya/var/kano: Correct SSD power sequence
M.2 spec describes PERST# should be sequenced after power enable. BUG=b:192137970 TEST=FW_NAME=kano emerge-brya coreboot and boot to OS. Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com> Change-Id: I20bf5ca66c6d05229c6d72058c5a73f38a58be3d Reviewed-on: https://review.coreboot.org/c/coreboot/+/58237 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/mainboard/google/brya/variants')
-rw-r--r--src/mainboard/google/brya/variants/kano/Makefile.inc2
-rw-r--r--src/mainboard/google/brya/variants/kano/gpio.c15
2 files changed, 17 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/kano/Makefile.inc b/src/mainboard/google/brya/variants/kano/Makefile.inc
index f2a624c0e8..5c0f13f868 100644
--- a/src/mainboard/google/brya/variants/kano/Makefile.inc
+++ b/src/mainboard/google/brya/variants/kano/Makefile.inc
@@ -1,6 +1,8 @@
# SPDX-License-Identifier: GPL-2.0-only
bootblock-y += gpio.c
+romstage-y += gpio.c
+
ramstage-y += gpio.c
ramstage-$(CONFIG_FW_CONFIG) += fw_config.c
diff --git a/src/mainboard/google/brya/variants/kano/gpio.c b/src/mainboard/google/brya/variants/kano/gpio.c
index 161ddf1c85..627354c4ab 100644
--- a/src/mainboard/google/brya/variants/kano/gpio.c
+++ b/src/mainboard/google/brya/variants/kano/gpio.c
@@ -103,6 +103,8 @@ static const struct pad_config override_gpio_table[] = {
static const struct pad_config early_gpio_table[] = {
/* A13 : PMC_I2C_SCL ==> GSC_PCH_INT_ODL */
PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT),
+ /* B4 : PROC_GP3 ==> SSD_PERST_L */
+ PAD_CFG_GPO(GPP_B4, 0, DEEP),
/* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */
PAD_CFG_NF(GPP_B7, NONE, DEEP, NF2),
/* B8 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */
@@ -118,6 +120,8 @@ static const struct pad_config early_gpio_table[] = {
PAD_CFG_GPO(GPP_D1, 0, DEEP),
/* D2 : ISH_GP2 ==> EN_FP_PWR */
PAD_CFG_GPO(GPP_D2, 1, DEEP),
+ /* D11 : ISH_SPI_MISO ==> EN_PP3300_SSD */
+ PAD_CFG_GPO(GPP_D11, 1, DEEP),
/* E0 : SATAXPCIE0 ==> NC */
PAD_NC(GPP_E0, NONE),
/* E13 : THC0_SPI1_IO2 ==> MEM_CH_SEL */
@@ -154,6 +158,11 @@ static const struct pad_config early_gpio_table[] = {
PAD_CFG_NF_VWEN(GPP_vGPIO_PCIE_79, NONE, DEEP, NF1),
};
+static const struct pad_config romstage_gpio_table[] = {
+ /* B4 : PROC_GP3 ==> SSD_PERST_L */
+ PAD_CFG_GPO(GPP_B4, 1, DEEP),
+};
+
const struct pad_config *variant_gpio_override_table(size_t *num)
{
*num = ARRAY_SIZE(override_gpio_table);
@@ -165,3 +174,9 @@ const struct pad_config *variant_early_gpio_table(size_t *num)
*num = ARRAY_SIZE(early_gpio_table);
return early_gpio_table;
}
+
+const struct pad_config *variant_romstage_gpio_table(size_t *num)
+{
+ *num = ARRAY_SIZE(romstage_gpio_table);
+ return romstage_gpio_table;
+}